Tabel Bitword. Universitas Sumatera Utara

Tabel Bitword 506c6169 00000000 34b8e161 bb331fa9 5f8dfa00 3e7ae6f0 8dbc231d 4bb1f141

6e746578 00000000 7d1a8298 e3e45510 67feed17 285710af 49396196 a7c82bdc

74800000 00000000 e11192f3 fd0f9dc6 c27d4203 23326c02 6e790232 cd2815be

00000000 00000000 1100778e 9b325d69 9f6efe16 94d701e9 e1921ddf e3d6da9e

00000000 00000000 fb1fc8ce 72976d7e 6573dfcb 37a136cc 6b1b3a42 6c2ff9f3

00000000 00000000 35328abd 827f97ce e0c782a1 a4f16e64 a5e3e7c7 fcc095ea

00000000 00000000 1d406566 33dba4c9 44567a3f 8f224a04 172fa143 1115f4bc

00000000 00000048 48bd51fe f1174f46 5d82b49f 4038e44a d880dcfd 06cd86b2

64 Universitas Sumatera Utara

Tabel Perubahan Nilai Variabel A, B, C, D, E, F, G, H Variabel Round

B

C

D

E

F

G

H

4c74e9b6 fea04e51 9d7950f0 2be9cf5c eb88a2d6 03e96f38 7f3dc119 3aa76855 4a81244f db4b02a5 97d0698a 6fa7a9e7 dd464123 b616547e 799421ff 725108cd c19bf059 70db9dcb 9b607c8f 334c6c9b ca6f70d6 23886117 54eda66a a4cde19d 98450675 84624a92

6a09e667 4c74e9b6 fea04e51 9d7950f0 2be9cf5c eb88a2d6 03e96f38 7f3dc119 3aa76855 4a81244f db4b02a5 97d0698a 6fa7a9e7 dd464123 b616547e 799421ff 725108cd c19bf059 70db9dcb 9b607c8f 334c6c9b ca6f70d6 23886117 54eda66a a4cde19d 98450675

bb67ae85 6a09e667 4c74e9b6 fea04e51 9d7950f0 2be9cf5c eb88a2d6 03e96f38 7f3dc119 3aa76855 4a81244f db4b02a5 97d0698a 6fa7a9e7 dd464123 b616547e 799421ff 725108cd c19bf059 70db9dcb 9b607c8f 334c6c9b ca6f70d6 23886117 54eda66a a4cde19d

3c6ef372 bb67ae85 6a09e667 4c74e9b6 fea04e51 9d7950f0 2be9cf5c eb88a2d6 03e96f38 7f3dc119 3aa76855 4a81244f db4b02a5 97d0698a 6fa7a9e7 dd464123 b616547e 799421ff 725108cd c19bf059 70db9dcb 9b607c8f 334c6c9b ca6f70d6 23886117 54eda66a

e934440b c39fd221 5ea16f92 73e9ef50 a0ede206 c7c1cb57 14467e23 5ae66845 68bb0248 7043f150 6c947cc2 268762ef 3d8f30d1 ca4ef871 bb3c6aad 63c937fd cdf14b0b 17f7399d 47feb958 506a7e50 bf09f71c 6f08addc eb2269da 843c863e eb8e6d91 d178af58

510e527f e934440b c39fd221 5ea16f92 73e9ef50 a0ede206 c7c1cb57 14467e23 5ae66845 68bb0248 7043f150 6c947cc2 268762ef 3d8f30d1 ca4ef871 bb3c6aad 63c937fd cdf14b0b 17f7399d 47feb958 506a7e50 bf09f71c 6f08addc eb2269da 843c863e eb8e6d91

9b05688c 510e527f e934440b c39fd221 5ea16f92 73e9ef50 a0ede206 c7c1cb57 14467e23 5ae66845 68bb0248 7043f150 6c947cc2 268762ef 3d8f30d1 ca4ef871 bb3c6aad 63c937fd cdf14b0b 17f7399d 47feb958 506a7e50 bf09f71c 6f08addc eb2269da 843c863e

1f83d9ab 9b05688c 510e527f e934440b c39fd221 5ea16f92 73e9ef50 a0ede206 c7c1cb57 14467e23 5ae66845 68bb0248 7043f150 6c947cc2 268762ef 3d8f30d1 ca4ef871 bb3c6aad 63c937fd cdf14b0b 17f7399d 47feb958 506a7e50 bf09f71c 6f08addc eb2269da

Universitas Sumatera Utara

65

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

A

Tabel Perubahan Nilai Variabel A, B, C, D, E, F, G, H Variabel Round 26 27 28 29 30 31 32 33 34 35 36 37 38 39

40 41 42 43

B

C

D

E

F

G

H

9235fc9a 71c7e326 f798aa39 75e29ecf 8d2ebc3e 265c3357 f71baf27 70f5104d f721d82d 7d77ab41 5e384c3c 8a6dc700 8f52791a 74536e0a acdae1d3 211c00b0 9fe24ab4 a02c0e72 31ecd4de 238e0028 e30f84ab 67404e5f b97aa0a1 a0c51ba3 e16529d3 e57c6214

84624a92 9235fc9a 71c7e326 f798aa39 75e29ecf 8d2ebc3e 265c3357 f71baf27 70f5104d f721d82d 7d77ab41 5e384c3c 8a6dc700 8f52791a 74536e0a acdae1d3 211c00b0 9fe24ab4 a02c0e72 31ecd4de 238e0028 e30f84ab 67404e5f b97aa0a1 a0c51ba3 e16529d3

98450675 84624a92 9235fc9a 71c7e326 f798aa39 75e29ecf 8d2ebc3e 265c3357 f71baf27 70f5104d f721d82d 7d77ab41 5e384c3c 8a6dc700 8f52791a 74536e0a acdae1d3 211c00b0 9fe24ab4 a02c0e72 31ecd4de 238e0028 e30f84ab 67404e5f b97aa0a1 a0c51ba3

a4cde19d 98450675 84624a92 9235fc9a 71c7e326 f798aa39 75e29ecf 8d2ebc3e 265c3357 f71baf27 70f5104d f721d82d 7d77ab41 5e384c3c 8a6dc700 8f52791a 74536e0a acdae1d3 211c00b0 9fe24ab4 a02c0e72 31ecd4de 238e0028 e30f84ab 67404e5f b97aa0a1

e63764c8 ee84f170 64a6d6eb b82d8d92 0829d939 aa2a1bf0 a5623854 5573231d 03db6aac 70dacd92 03e35e7e e4d4fb6b 7a7361c0 406e3d4b dbc06e3d 710ace86 8d159af4 6b2e7c0c d1f3e385 f8e3ef4c 2fa38df1 004f814d de471d4c 5f36b208 01f1d598 88f677f8

d178af58 e63764c8 ee84f170 64a6d6eb b82d8d92 0829d939 aa2a1bf0 a5623854 5573231d 03db6aac 70dacd92 03e35e7e e4d4fb6b 7a7361c0 406e3d4b dbc06e3d 710ace86 8d159af4 6b2e7c0c d1f3e385 f8e3ef4c 2fa38df1 004f814d de471d4c 5f36b208 01f1d598

eb8e6d91 d178af58 e63764c8 ee84f170 64a6d6eb b82d8d92 0829d939 aa2a1bf0 a5623854 5573231d 03db6aac 70dacd92 03e35e7e e4d4fb6b 7a7361c0 406e3d4b dbc06e3d 710ace86 8d159af4 6b2e7c0c d1f3e385 f8e3ef4c 2fa38df1 004f814d de471d4c 5f36b208

843c863e eb8e6d91 d178af58 e63764c8 ee84f170 64a6d6eb b82d8d92 0829d939 aa2a1bf0 a5623854 5573231d 03db6aac 70dacd92 03e35e7e e4d4fb6b 7a7361c0 406e3d4b dbc06e3d 710ace86 8d159af4 6b2e7c0c d1f3e385 f8e3ef4c 2fa38df1 004f814d de471d4c


66

44 45 46 47 48 49 50 51

A

Tabel Perubahan Nilai Variabel A, B, C, D, E, F, G, H Variabel Round 52 53 54 55 56 57 58 59 60 61 62

63

A

B

C

D

E

F

G

H

fa4e01b4 4916d342 2e19abe7 dce49dd8 8b0e251e 71c5ecbf ec2549c3 3fa846c7 ed18d6e3 da2800ea b73f5418 9cfddf72

e57c6214 fa4e01b4 4916d342 2e19abe7 dce49dd8 8b0e251e 71c5ecbf ec2549c3 3fa846c7 ed18d6e3 da2800ea b73f5418

e16529d3 e57c6214 fa4e01b4 4916d342 2e19abe7 dce49dd8 8b0e251e 71c5ecbf ec2549c3 3fa846c7 ed18d6e3 da2800ea

a0c51ba3 e16529d3 e57c6214 fa4e01b4 4916d342 2e19abe7 dce49dd8 8b0e251e 71c5ecbf ec2549c3 3fa846c7 ed18d6e3

f9f315cf fd3d4b5d d3059d64 6631f57a edbee7ef 7a2c6709 92423f45 13563a16 a1b8bf2d 2fc2d41c 925cdce6 6d13c32f

88f677f8 f9f315cf fd3d4b5d d3059d64 6631f57a edbee7ef 7a2c6709 92423f45 13563a16 a1b8bf2d 2fc2d41c 925cdce6

01f1d598 88f677f8 f9f315cf fd3d4b5d d3059d64 6631f57a edbee7ef 7a2c6709 92423f45 13563a16 a1b8bf2d 2fc2d41c

5f36b208 01f1d598 88f677f8 f9f315cf fd3d4b5d d3059d64 6631f57a edbee7ef 7a2c6709 92423f45 13563a16 a1b8bf2d


Tabel Enkripsi

ASCII

C

Karakter

ASCII

C

Karakter

ASCII

C

Karakter

ASCII

C

P

80

46404

b

98

39457

1

49

24890

9

57

52427

l

108

15918

e

101

33829

6

54

10470

3

51

56706

a

97

45171

8

56

33950

0

48

41314

8

56

33950

i

105

59541

f

102

41585

6

54

10470

2

50

4939

n

110

11151

1

49

24890

d

100

28261

e

101

33829

t

116

47019

e

101

33829

3

51

56706

c

99

53687

e

101

33829

1

49

24890

c

99

53687

b

98

39457

x

120

33414

2

50

4939

8

56

33950

3

51

56706

t

116

47019

c

99

53687

b

98

39457

2

50

4939

c

99

53687

a

97

45171

5

53

57119

e

101

33829

b

98

39457

a

97

45171

c

99

53687

0

48

41314

4

52

52371

e

101

33829

6

54

10470

8

56

33950

8

56

33950

8

56

33950

c

99

53687

4

52

52371

f

102

41585

0

48

41314

6

54

10470

3

51

56706

6

54

10470

2

50

4939

f

102

41585

c

99

53687

6

54

10470

3

51

56706

6

54

10470

6

54

10470

8

56

33950

b

98

39457

9

57

52427

0

48

41314

8

56

33950

9

57

52427

5

53

57119

d

100

28261


68

Karakter

Tabel Enkripsi Karakter

ASCII

C

Karakter

ASCII

C

Karakter

ASCII

C

Karakter

ASCII

C

7

55

52959

9

57

52427

1

49

24890

4

52

52371

7

55

52959

d

100

28261

f

102

41585

9

57

52427

6

54

10470

e

101

33829

0

48

41314

7

55

52959

1

49

24890

9

57

52427

e

101

33829

a

97

45171

8

56

33950

7

55

52959

6

54

10470

c

99

53687

c

99

53687

0

48

41314

c

99

53687

a

97

45171

3

51

56706

9

57

52427

5

53

57119

b

98

39457

0

48

41314

8

56

33950

7

55

52959

7

55

52959

4

52

52371

4

52

52371

e

101

33829

6

54

10470

c

99

53687

9

57

52427

4

52

52371

3

51

56706

a

97

45171

6

54

10470

f

102

41585

0

48

41314

e

101

33829

e

101

33829

4

52

52371

7 c c

55 99 99

52959 53687 53687

5 a b

53 97 98

57119 45171 39457

8 1 4

56 49 52

33950 24890 52371

b

98

39457

9

57

52427

8

56

33950

c

99

53687

f

102

41585

0

48

41314

e

101

33829

4

52

52371

3

51

56706


70

Ciphertext = “YjU0NAozZTJlCmIwNzMKZTg5NQoyYjhmCmI3YWIKODQyNQo4Mjg2CmI3Y

WIKZDFiNwo5YTIxCmNjOTMKODQ5ZQphMjcxCjI4ZTYKMjhlNgo4NDllCjg0O WUKOWEyMQo4NDI1Cjg0OWUKYTI3MQo2MTNhCjg0MjUKNjEzYQoxMzRiC mQxYjcKYjA3MwpiMDczCjg0MjUKODQ5ZQphMTYyCjEzNGIKZGQ4Mgo5YTI xCmNjY2IKNjEzYQoyOGU2CmExNjIKMjhlNgo2ZTY1CmRkODIKZDFiNwo4N DllCjlhMjEKZGYxZgpkMWI3CjI4ZTYKZDFiNwoyOGU2CmEyNzEKMjhlNgpjY 2NiCmRmMWYKY2NjYgpkZDgyCjg0OWUKMTM0Ygo4NDI1CmQxYjcKOWEy MQpkZDgyCjEzNGIKODQyNQphMTYyCjg0OWUKY2M5MwpkZDgyCmQxYjcK MjhlNgphMTYyCjZlNjUKY2VkZgpjZWRmCjI4ZTYKNjEzYQo4NDllCmQxYjcK ZGQ4MgphMTYyCmNjOTMKZDFiNwpiMDczCjg0MjUKY2VkZgpkMWI3CmQx YjcKOWEyMQpkMWI3Cjg0MjUKY2NjYgo2ZTY1Cjg0MjUKY2NjYgpjZWRmC mExNjIKY2NjYgo4NDllCmNjOTMKY2NjYgoyOGU2Cjg0MjUKZGYxZgpiMDcz CjlhMjEKY2NjYgphMjcxCmNjOTMKNjEzYQphMjcxCmExNjIKODQyNQoyOGU 2CmQxYjcKZGYxZgpjZWRmCjg0MjUKY2M5MwphMjcxCmNjOTMKODQ5ZQo 2MTNhCmNjOTMKODQ5ZQphMTYyCmRkODIKY2M5MwpjY2NiCmNlZGYKY jA3MwpkMWI3CmIwNzMKOWEyMQpjZWRmCjI4ZTYKZGQ4MgphMTYyCg== ”


Tabel Dekripsi C

ASCII

Karakter

C

ASCII

Karakter

C

ASCII

Karakter

C

ASCII

Karakter

46404

80

P

39457

98

b

24890

49

1

52427

57

9

15918

108

l

33829

101

e

10470

54

6

56706

51

3

45171

97

a

33950

56

8

41314

48

0

33950

56

8

59541

105

i

41585

102

f

10470

54

6

4939

50

2

11151

110

n

24890

49

1

28261

100

d

33829

101

e

47019

116

t

33829

101

e

56706

51

3

53687

99

c

33829

101

e

24890

49

1

53687

99

c

39457

98

b

33414

120

x

4939

50

2

33950

56

8

56706

51

3

47019

116

t

53687

99

c

39457

98

b

4939

50

2

53687

99

c

45171

97

a

57119

53

5

33829

101

e

39457

98

b

45171

97

a

53687

99

c

41314

48

0

52371

52

4

33829

101

e

10470

54

6

33950

56

8

33950

56

8

33950

56

8

53687

99

c

52371

52

4

41585

102

f

41314

48

0

10470

54

6

56706

51

3

10470

54

6

4939

50

2

41585

102

f

53687

99

c

10470

54

6

56706

51

3

10470

54

6

10470

54

6

33950

56

8

39457

98

b

52427

57

9

41314

48

0

33950

56

8

52427

57

9

57119

53

5

28261

100

d


Tabel Dekripsi tim 52959

ASCII 55

Karakter

C

ASCII

Karakter

C

ASCII

Karakter

C

ASCII

Karakter

7

52427

57

9

24890

49

1

52371

52

4

52959

55

7

28261

100

d

41585

102

f

52427

57

9

10470

54

6

33829

101

e

41314

48

0

52959

55

7

24890

49

1

52427

57

9

33829

101

e

45171

97

a

33950

56

8

52959

55

7

10470

54

6

53687

99

c

53687

99

c

41314

48

0

53687

99

c

45171

97

a

56706

51

3

52427

57

9

57119

53

5

39457

98

b

41314

48

0

33950

56

8

52959

55

7

52959

55

7

52371

52

4

52371

52

4

33829

101

e

10470

54

6

53687

99

c

52427

57

9

52371

52

4

56706

51

3

45171

97

a

10470

54

6

41585

102

f

41314

48

0

33829

101

e

33829

101

e

52371

52

4

52959

55

7

57119

53

5

33950

56

8

53687

99

c

45171

97

a

24890

49

1

53687

99

c

39457

98

b

52371

52

4

39457

98

b

52427

57

9

33950

56

8

53687

99

c

41585

102

f

41314

48

0

33829

101

e

52371

52

4

56706

51

3


73

Listing Program

Main. java package controller; import import import import import import

java.io.File; java.io.FileInputStream; java.io.FileReader; java.io.FileWriter; java.math.BigInteger; java.util.Base64;

import javax.swing.text.Document; import javax.swing.text.rtf.RTFEditorKit; import import import import

org.apache.poi.hwpf.HWPFDocument; org.apache.poi.hwpf.extractor.WordExtractor; org.apache.poi.xwpf.extractor.XWPFWordExtractor; org.apache.poi.xwpf.usermodel.XWPFDocument;

import import import import import import import import import import import import import import

view.RootLayoutController; javafx.application.Application; javafx.fxml.FXMLLoader; javafx.scene.Node; javafx.scene.Scene; javafx.scene.control.ButtonType; javafx.scene.control.Dialog; javafx.scene.control.TextArea; javafx.scene.control.TextField; javafx.scene.layout.AnchorPane; javafx.stage.FileChooser; javafx.stage.FileChooser.ExtensionFilter; javafx.stage.Stage; javafx.stage.StageStyle;

public class Main extends Application { private Stage primaryStage; private AnchorPane rootLayout; private RootLayoutController rlController; @Override public void start(Stage primaryStage) throws Exception { this.primaryStage = primaryStage; initRootLayout(); } private double X, Y; public void setXY(double screenX, double screenY) {


74

this.X = primaryStage.getX() - screenX; this.Y = primaryStage.getY() - screenY; } public void drag(double screenX, double screenY) { primaryStage.setX(this.X + screenX); primaryStage.setY(this.Y + screenY); } String plaintext = "", ciphertext = "", plaintextDS = ""; void initRootLayout() { try { FXMLLoader loader = new FXMLLoader(); loader.setLocation(Main.class.getResource("/view/GUI.fxml")); rootLayout = (AnchorPane) loader.load(); rlController = loader.getController(); rlController.setMain(this); rlController.Jendela.hide(); primaryStage.setScene(new Scene(rootLayout)); primaryStage.initStyle(StageStyle.UNDECORATED); primaryStage.show(); rlController.dECDSADigitTF.textProperty().addListener( (ov, ol, ne) -> { if (!ne.equals("") && !ne.equals("0")) { if (BigInteger.valueOf(10).pow(Integer.parseInt(ne) - 1) .compareTo(ECDSA.getInstance().getN().subtract(BigInteger.ONE)) != 1 && Integer.parseInt(ne) > 0) { refresh("dECDSA", ne); } else { empty("dECDSAOver"); } } else empty("dECDSA"); }); rlController.pRSADigitTF.textProperty().addListener((ov, ol, ne) -> { if (!ne.equals("") && Integer.parseInt(ne) > 1) refresh("pRSA", ne); else empty("pRSA"); }); rlController.qRSADigitTF.textProperty().addListener((ov, ol, ne) -> { if (!ne.equals("") && Integer.parseInt(ne) > 1) refresh("qRSA", ne); else empty("qRSA"); }); rlController.rRSADigitTF.textProperty().addListener((ov, ol, ne) -> { if (!ne.equals("") && Integer.parseInt(ne) > 1) refresh("rRSA", ne);


75

else empty("rRSA"); }); rlController.PRSATA.textProperty().addListener((ov, ol, ne) -> { if (!(ne.equals("") || ne.equals(null))) plaintext = ne; else plaintext = ""; }); } catch (Exception e) { e.printStackTrace(); } } private byte flagP = 0, flagQ = 0, flagR = 0; public byte generateRSAState(byte flagP, byte flagQ, byte flagR) { return (byte) ((flagP << 2) | (flagQ << 1) | flagR); } public void refresh(String var, String newValue) { if (var.equals("dECDSA")) { ECDSA.getInstance().generateKey(Integer.parseInt(newValue)); String d = showInHex(ECDSA.getInstance().getD()), Qx = showInHex(ECDSA .getInstance().getQx()), Qy = showInHex(ECDSA.getInstance().getQy()); if (rlController.mode.selectedProperty().get()) { rlController.dECDSATF.setText(revert(d).toString()); rlController.QxECDSATF.setText(revert(Qx).toString()); rlController.QyECDSATF.setText(revert(Qy).toString()); } else { rlController.dECDSATF.setText(d); rlController.QxECDSATF.setText(Qx); rlController.QyECDSATF.setText(Qy); } rlController.dECDSA2TF.setText(rlController.dECDSATF.getText()); rlController.QxECDSA2TF.setText(rlController.QxECDSATF.getText()); rlController.QyECDSA2TF.setText(rlController.QyECDSATF.getText()); } else if (var.equals("pRSA") || var.equals("qRSA") || var.equals("rRSA")) { if (var.equals("pRSA")) { flagP = 0b001; RSA_Modified.getInstance().setP(Integer.parseInt(newValue)); if (rlController.mode.selectedProperty().get()) rlController.pRSATF.setText(RSA_Modified.getInstance().getP().toString()); else rlController.pRSATF.setText(showInHex(RSA_Modified.getInstance().getP())); } else if (var.equals("qRSA")) { flagQ = 0b001; RSA_Modified.getInstance().setQ(Integer.parseInt(newValue)); if (rlController.mode.selectedProperty().get()) rlController.qRSATF.setText(RSA_Modified.getInstance().getQ().toString());


76

else rlController.qRSATF.setText(showInHex(RSA_Modified.getInstance().getQ())); } else { flagR = 0b001; RSA_Modified.getInstance().setR(Integer.parseInt(newValue)); if (rlController.mode.selectedProperty().get()) rlController.rRSATF.setText(RSA_Modified.getInstance().getR().toString()); else rlController.rRSATF.setText(showInHex(RSA_Modified.getInstance().getR())); } if (generateRSAState(flagP, flagQ, flagR) == 7) { RSA_Modified.getInstance().generateKey(); String n = showInHex(RSA_Modified.getInstance().getN()), totient = showInHex(RSA_Modified .getInstance().getTotient()), e = showInHex(RSA_Modified.getInstance() .getE()), d = showInHex(RSA_Modified.getInstance().getD()); if (rlController.mode.selectedProperty().get()) { rlController.nRSATF.setText(revert(n).toString()); rlController.totientRSATF.setText(revert(totient).toString()); rlController.eRSATF.setText(revert(e).toString()); rlController.dRSATF.setText(revert(d).toString()); } else { rlController.nRSATF.setText(n); rlController.totientRSATF.setText(totient); rlController.eRSATF.setText(e); rlController.dRSATF.setText(d); } rlController.nRSA2TF.setText(rlController.nRSATF.getText()); rlController.nRSA3TF.setText(rlController.nRSATF.getText()); rlController.eRSA2TF.setText(rlController.eRSATF.getText()); rlController.dRSA2TF.setText(rlController.dRSATF.getText()); } } } public void empty(String var) { if (var.equals("dECDSA") || var.equals("dECDSAOver")) { if (var.equals("dECDSAOver")) rlController.dECDSATF .setText("Nilai untuk kunci harus tidak boleh melebihi nilai order kurva elips"); else rlController.dECDSATF .setText("Digit untuk kunci harus lebih besar atau sama dengan 1"); rlController.QxECDSATF.setText(""); rlController.QyECDSATF.setText(""); rlController.dECDSA2TF.setText(""); rlController.QxECDSA2TF.setText(""); rlController.QyECDSA2TF.setText("");


77

} else if (var.equals("pRSA") || var.equals("qRSA") || if (var.equals("pRSA")) { flagP = 0b000; rlController.pRSATF.setText("Digit untuk kunci harus } else if (var.equals("qRSA")) { flagQ = 0b000; rlController.qRSATF.setText("Digit untuk kunci harus } else { flagR = 0b000; rlController.rRSATF.setText("Digit untuk kunci harus } rlController.nRSATF.setText(""); rlController.totientRSATF.setText(""); rlController.eRSATF.setText(""); rlController.dRSATF.setText(""); rlController.nRSA2TF.setText(""); rlController.nRSA3TF.setText(""); rlController.eRSA2TF.setText(""); rlController.dRSA2TF.setText("");

var.equals("rRSA")) {

lebih dari 1");

lebih dari 1");

lebih dari 1");

} } boolean decrypt = false; public void browse(String type) { try { FileChooser fc = new FileChooser(); String path = "", result; if (type.equals("plaintext") || type.equals("ciphertext")) { if (type.equals("plaintext")) { plaintext = ""; fc.getExtensionFilters().add( new ExtensionFilter("Text Files", "*.txt", "*.rtf", "*.doc", "*.docx")); } fc.setTitle("Pilih File " + type); File file = fc.showOpenDialog(primaryStage); path = file.getCanonicalPath(); String fileName = file.getName(); String fileExtension = fileName.substring(fileName.indexOf(".") + 1, file .getName().length()); if (fileExtension.equals("txt")) { FileReader extracttxt = new FileReader(file); char[] chars = new char[(int) file.length()]; extracttxt.read(chars); result = new String(chars); extracttxt.close(); } else if (fileExtension.equals("rtf")) { RTFEditorKit extractrtf = new RTFEditorKit(); Document rtfD = extractrtf.createDefaultDocument(); extractrtf.read(new FileInputStream(path), rtfD, 0); result = rtfD.getText(0, rtfD.getLength());


78

} else if (fileExtension.equals("doc")) { WordExtractor extractdoc = new WordExtractor(new HWPFDocument( new FileInputStream(path))); result = extractdoc.getText(); extractdoc.close(); } else if (fileExtension.equals("docx")) { XWPFWordExtractor extractdocx = new XWPFWordExtractor(new XWPFDocument( new FileInputStream(path))); result = extractdocx.getText(); extractdocx.close(); } else { FileReader extractother = new FileReader(file); char[] chars = new char[(int) file.length()]; extractother.read(chars); result = new String(chars); extractother.close(); } if (type.equals("plaintext")) { rlController.PRSATA.setText(""); rlController.plainTF.setText(path); plaintext = result; rlController.encryptionTF.setText("Pesan belum dienkripsi"); rlController.generateDSTF .setText("Pembuatan tanda tangan digital pesan belum dilakukan"); } else { rlController.cipherTF.setText(path); ciphertext = result; rlController.decryptionTF.setText("Pesan belum didekripsi"); rlController.verifyTF .setText("Tanda tangan digital pesan belum diverifikasi"); } rlController.PRSATA.setText(plaintext); } else if (type.equals("saveciphertext")) { File savefile = fc.showSaveDialog(primaryStage); FileWriter fw = new FileWriter(savefile); fw.write(ciphertext); fw.close(); rlController.encryptionTF .setText("Proses enkripsi berhasil dan pesan telah disimpan"); savefile = fc.showSaveDialog(primaryStage); fw = new FileWriter(savefile); fw.write(plaintextDS); fw.close(); } else { } } catch (RuntimeException e) { } catch (Exception e) { } } String dialog = "";


79

public boolean validateNode(Node node) { if (!this.dialog.equals("")) dialog += "\n"; try { if (!(((TextField) node).getText().equals(""))) return true; else { if (node.getId().equals("dECDSA2TF")) dialog += "Kunci privat " + node.getId().charAt(0) + " ECDSA pengirim tidak boleh kosong"; else if (node.getId().equals("eRSA2TF") || node.getId().equals("nRSA2TF")) dialog += "Kunci publik " + node.getId().charAt(0) + " RSA penerima tidak boleh kosong"; else if (node.getId().equals("dRSA2TF") || node.getId().equals("nRSA3TF")) dialog += "Kunci privat " + node.getId().charAt(0) + " RSA penerima tidak boleh kosong"; else if (node.getId().equals("QxECDSA2TF") || node.getId().equals("QyECDSA2TF")) dialog += "Kunci publik " + node.getId().charAt(0) + node.getId().charAt(1) + " ECDSA pengirim tidak boleh kosong"; else if (node.getId().equals("rECDSATF") || node.getId().equals("sECDSATF") || node.getId().equals("rECDSA2TF") || node.getId().equals("sECDSA2TF")) dialog += "Tanda tangan digital " + node.getId().charAt(0) + " tidak boleh kosong"; } } catch (Exception e) { } try { if (!(((TextArea) node).getText().equals(""))) return true; else { if (node.getId().equals("PRSATA") || node.getId().equals("PRSA2TA")) { } dialog += "Plaintext tidak boleh kosong"; } } catch (Exception e) { } return false; } // k = // revert("00000000 00000000 00000000 00000000 00000000 00000003 2fb77c21 eba4ee1c") public void generate() { boolean v = validateNode(rlController.dECDSA2TF), v1 = validateNode(rlController.PRSATA); String r, s; BigInteger d;


80

if (v && v1) { if (revert(rlController.dECDSA2TF.getText()).compareTo( ECDSA.getInstance().getN()) == -1) { if (rlController.mode.selectedProperty().getValue()) d = new BigInteger(rlController.dECDSA2TF.getText()); else d = revert(rlController.dECDSA2TF.getText()); ECDSA.getInstance().generateDS(rlController.PRSATA.getText(), d); if (rlController.mode.selectedProperty().getValue()) { r = "" + ECDSA.getInstance().getR(); s = "" + ECDSA.getInstance().getS(); } else { r = showInHex(ECDSA.getInstance().getR()); s = showInHex(ECDSA.getInstance().getS()); } rlController.rECDSATF.setText(r); rlController.sECDSATF.setText(s); rlController.generateDSTF .setText("Pembangkitan tanda tangan digital selesai"); } else { dialog += "Ukuran kunci privat ECDSA terlalu besar"; rlController.generateDSTF .setText("Pembangkitan tanda tangan digital gagal"); showErrorDialog(); } } else showErrorDialog(); this.dialog = ""; } public void verify() { boolean v4 = validateNode(rlController.PRSA2TA), v = validateNode(rlController.rECDSA2TF), v1 = validateNode(rlController.sECDSA2TF), v2 = validateNode(rlController.QxECDSA2TF), v3 = validateNode(rlController.QyECDSA2TF); BigInteger r, s, Qx, Qy; if (rlController.mode.selectedProperty().getValue()) { r = new BigInteger(rlController.rECDSA2TF.getText()); s = new BigInteger(rlController.sECDSA2TF.getText()); Qx = new BigInteger(rlController.QxECDSA2TF.getText()); Qy = new BigInteger(rlController.QyECDSA2TF.getText()); } else { r = revert(rlController.rECDSA2TF.getText()); s = revert(rlController.sECDSA2TF.getText()); Qx = revert(rlController.QxECDSA2TF.getText()); Qy = revert(rlController.QyECDSA2TF.getText()); }


81

if (v4 && v3 && v2 && v1 && v) { if (ECDSA.getInstance().verifyDS(plaintext, r, s, Qx, Qy)) { rlController.verifyTF.setText("Tanda tangan digital dari pesan valid"); } else rlController.verifyTF .setText("Tanda tangan digital dari pesan tidak valid"); } else showErrorDialog(); this.dialog = ""; } public void encrypt() { String r, s; BigInteger e, n; r = String.format("%64s", ECDSA.getInstance().getR().toString(16)).replace( ' ', '0'); s = String.format("%64s", ECDSA.getInstance().getS().toString(16)).replace( ' ', '0'); ciphertext = ""; plaintextDS = ""; boolean v1 = validateNode(rlController.eRSA2TF), v2 = validateNode(rlController.nRSA2TF), v3 = validateNode(rlController.dECDSA2TF), v = validateNode(rlController.PRSATA); if (rlController.mode.selectedProperty().getValue()) { e = new BigInteger(rlController.eRSA2TF.getText()); n = new BigInteger(rlController.nRSA2TF.getText()); } else { e = revert(rlController.eRSA2TF.getText()); n = revert(rlController.nRSA2TF.getText()); } if (v3 && v2 && v1 && v) { RSA_Modified.getInstance().encrypt(rlController.PRSATA.getText() + r + s, e, n); plaintextDS = rlController.PRSATA.getText() + r + s; ciphertext += RSA_Modified.getInstance().getCiphertext(); ciphertext = Base64.getEncoder().encodeToString(ciphertext.getBytes()); browse("saveciphertext"); } else { rlController.encryptionTF.setText("Proses enkripsi gagal"); showErrorDialog(); } this.dialog = ""; } public void decrypt() { boolean v = validateNode(rlController.dRSA2TF), v1 = validateNode(rlController.nRSA3TF);


82

BigInteger d, n; String r, s; byte[] decode = Base64.getDecoder().decode(ciphertext); if (rlController.mode.selectedProperty().getValue()) { d = new BigInteger(rlController.dRSA2TF.getText()); n = new BigInteger(rlController.nRSA3TF.getText()); } else { d = revert(rlController.dRSA2TF.getText()); n = revert(rlController.nRSA3TF.getText()); } if (v1 && v) { String file = ""; rlController.PRSA2TA.setText(""); RSA_Modified.getInstance().decrypt(new String(decode), d, n); file = RSA_Modified.getInstance().getPlaintext(); plaintext = file.substring(0, file.length() - 128); rlController.PRSA2TA.setText(plaintext); if (rlController.mode.selectedProperty().getValue()) { r = "" + new BigInteger(file.substring(file.length() - 128, file.length() 64), 16); s = "" + new BigInteger(file.substring(file.length() - 64, file.length()), 16); } else { r = showInHex(new BigInteger(file.substring(file.length() - 128, file.length() - 64), 16)); s = showInHex(new BigInteger(file.substring(file.length() - 64, file.length()), 16)); } rlController.rECDSA2TF.setText(r); rlController.sECDSA2TF.setText(s); rlController.decryptionTF.setText("Proses dekripsi berhasil"); } else { rlController.decryptionTF.setText("Proses dekripsi gagal"); showErrorDialog(); } this.dialog = ""; } public void showErrorDialog() { Dialog

Tabel Bitword. Universitas Sumatera Utara

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